const toString = Object.prototype.toString;

export function is(val: unknown, type: string) {
  return toString.call(val) === `[object ${type}]`;
}

export function isEvent(val: any): val is MouseEvent {
  return toString.call(val) === `[object MouseEvent]`;
}

export function isDef<T = unknown>(val?: T): val is T {
  return typeof val !== 'undefined';
}


export function isUnDef<T = unknown>(val?: T): val is T {
  return !isDef(val);
}


export function isObject(val: any): val is Record<any, any> {
  return val !== null && is(val, 'Object');
}

export function isEmpty<T = unknown>(val: T): val is T {
  if (isArray(val) || isString(val)) {
    return val.length === 0;
  }

  if (val instanceof Map || val instanceof Set) {
    return val.size === 0;
  }

  if (isObject(val)) {
    return Object.keys(val).length === 0;
  }

  return false;
}

export function isDate(val: unknown): val is Date {
  return is(val, 'Date');
}

export function isNull(val: unknown): val is null {
  return val === null;
}

export function isNullAndUnDef(val: unknown): val is null | undefined {
  return isUnDef(val) && isNull(val);
}

export function isNullOrUnDef(val: unknown): val is null | undefined {
  return isUnDef(val) || isNull(val);
}

export function isNumber(val: unknown): val is number {
  return is(val, 'Number');
}

export function isPromise<T = any>(val: unknown): val is Promise<T> {
  return is(val, 'Promise') && isObject(val) && isFunction(val.then) && isFunction(val.catch);
}

export function isString(val: unknown): val is string {
  return is(val, 'String');
}

export function isFunction(val: unknown): val is Function {
  return typeof val === 'function';
}

export function isBoolean(val: unknown): val is boolean {
  return is(val, 'Boolean');
}

export function isBlob(val: unknown): val is boolean {
  return is(val, 'Blob')
}

export function isRegExp(val: unknown): val is RegExp {
  return is(val, 'RegExp');
}

export function isArray(val: any): val is Array<any> {
  return val && Array.isArray(val);
}

export function isWindow(val: any): val is Window {
  return typeof window !== 'undefined' && is(val, 'Window');
}

export function isElement(val: unknown): val is Element {
  return isObject(val) && !!val.tagName;
}

export const isServer = typeof window === 'undefined';

export const isClient = !isServer;

export function isUrl(path: string): boolean {
  const reg = /(((^https?:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)$/;
  return reg.test(path);
}

export function isIp(ip: string): boolean {
  if (!isString(ip)) {
    return false
  }
  const reg =
    /^(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])$/
  return reg.test(ip.trim());
}


export function isIpRange(ipRange: string): boolean {
  //ip 区间满足 1.1.1.1-1.1.1.2这样的格式
  const range = ipRange.trim().split('-')
  if (range.length !== 2) {
    return false
  }
  if (isIp(range[0]) && isIp(range[1])) {
    return true
  } else {
    return false
  }
}

export function isPort(port: any): boolean {
  if (port && Number.isInteger(Number(port)) && Number(port) >= 0 && Number(port) <= 0xffff) {
    return true
  } else {
    return false
  }
}

export function ipToNumber(ip: string): number {
  let ipArry: string[] = ip.split(".");
  return Number(ipArry[0]) * 256 * 256 * 256 + Number(ipArry[1]) * 256 * 256 + Number(ipArry[2]) * 256 + Number(ipArry[3]) * 1;
}

export function isExcel(file: File) {
  const reg = /\.(xlsx|xls|csv)$/
  return reg.test(file.name)
}